Int 21 Fn DF  - Novell Netware - Print Services - Flush Lpt Capture        [N]

   AH = DFh
   DL = 03h

Return: AL = status
       00h successful
Desc:  this function closes the current capture file for the default LPT
     and starts printing it if it is not a permanent capture file

Notes: this function is supported by NetWare 4.0+, Advanced NetWare 1.0+, and
     Alloy NTNX; under NTNX, it sends a print break (see INT 17/AH=84h)
   if more data is sent to the LPT port after this call, a new capture
     file will be opeend

See Also: AH=DFh/DL=00h,AH=DFh/DL=01h,AH=DFh/DL=02h,AH=DFh/DL=07h